Lexmark CS737dze prints up to 52 ppm on letter-size paper* and up to 25 ppm on narrow media.? Lexmark's new VariThermTM technology offers exceptional print performance in off-standard printing such as greeting cards, pill pack labels, hazardous materials labeling and a whole range of narrow media printing. Uses a newly developed fuser coupled with refined firmware, allowing for a consistent heating array only where print media is present, delivering optimal print output even on long jobs while remaining secure by design now and well into the future.